﻿using System;
namespace Microsoft.Rtc.Collaboration.Samples.HTMLPresenceControls.Service
{
    public interface IPresenceProvider
    {
        event EventHandler<Microsoft.Rtc.Collaboration.Samples.HTMLPresenceControls.Service.PresenceChangedEventArgs> PresenceChanged;
        bool Start();
        void SubscribeToPresence(string sipUri);
        void UnsubscribeToPresence(string sipUri);
    }
}
